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| -rwxr-xr-x | tests/functional/arbiter/test_metadata_self_heal.py | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/tests/functional/arbiter/test_metadata_self_heal.py b/tests/functional/arbiter/test_metadata_self_heal.py new file mode 100755 index 000000000..3d0a37447 --- /dev/null +++ b/tests/functional/arbiter/test_metadata_self_heal.py @@ -0,0 +1,404 @@ +# Copyright (C) 2015-2018 Red Hat, Inc. <http://www.redhat.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +from glusto.core import Glusto as g +from glustolibs.gluster.gluster_base_class import (GlusterBaseClass, runs_on) +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.volume_ops import set_volume_options +from glustolibs.gluster.volume_libs import ( + verify_all_process_of_volume_are_online, + wait_for_volume_process_to_be_online) +from glustolibs.gluster.brick_libs import (select_bricks_to_bring_offline, + bring_bricks_offline, + bring_bricks_online, + are_bricks_offline, + get_all_bricks) +from glustolibs.gluster.heal_libs import (monitor_heal_completion, + is_heal_complete, + is_volume_in_split_brain, + is_shd_daemonized) +from glustolibs.gluster.heal_ops import trigger_heal +from glustolibs.misc.misc_libs import upload_scripts +from glustolibs.io.utils import (collect_mounts_arequal, validate_io_procs) + + +@runs_on([['replicated', 'distributed-replicated'], + ['glusterfs', 'nfs']]) +class TestMetadataSelfHeal(GlusterBaseClass): + """ + Description: + Test cases related to metadata delf heal + in default configuration of the volume + """ + + @classmethod + def create_user(cls, host, user): + """ + Creates a user on a host + """ + g.log.info("Creating user '%s' for %s...", user, host) + command = "useradd %s" % user + _, _, err = g.run(host, command) + + if 'already exists' in err: + g.log.warn("User '%s' is already exists on %s", user, host) + else: + g.log.info("User '%s' is created successfully on %s", user, host) + + @classmethod + def delete_user(cls, host, user): + """ + Deletes a user on a host + """ + g.log.info('Deleting user %s from %s...', user, host) + command = "userdel -r %s" % user + _, _, err = g.run(host, command) + + if 'does not exist' in err: + g.log.warn('User %s is already deleted on %s', user, host) + else: + g.log.info('User %s successfully deleted on %s', user, host) + + @classmethod + def setUpClass(cls): + # Calling GlusterBaseClass setUpClass + GlusterBaseClass.setUpClass.im_func(cls) + + # Overriding the volume type to specifically test the volume type + # Change from distributed-replicated to arbiter + if cls.volume_type == "distributed-replicated": + cls.volume['voltype'] = { + 'type': 'distributed-replicated', + 'dist_count': 2, + 'replica_count': 3, + 'arbiter_count': 1, + 'transport': 'tcp'} + + # Upload io scripts for running IO on mounts + g.log.info("Upload io scripts to clients %s for running IO on mounts", + cls.clients) + script_local_path = ("/usr/share/glustolibs/io/scripts/" + "file_dir_ops.py") + cls.script_upload_path = ("/usr/share/glustolibs/io/scripts/" + "file_dir_ops.py") + ret = upload_scripts(cls.clients, [script_local_path]) + if not ret: + raise ExecutionError("Failed to upload IO scripts to clients %s" + % cls.clients) + g.log.info("Successfully uploaded IO scripts to clients %s", + cls.clients) + + def setUp(self): + # Calling GlusterBaseClass setUp + GlusterBaseClass.setUp.im_func(self) + + # Create user qa + for mount_object in self.mounts: + self.create_user(mount_object.client_system, 'qa') + + for server in self.servers: + self.create_user(server, 'qa') + + # Setup Volume and Mount Volume + g.log.info("Starting to Setup Volume and Mount Volume") + ret = self.setup_volume_and_mount_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to Setup_Volume and Mount_Volume") + g.log.info("Successful in Setup Volume and Mount Volume") + + def tearDown(self): + """ + Cleanup and umount volume + """ + + # Delete user + for mount_object in self.mounts: + self.delete_user(mount_object.client_system, 'qa') + + for server in self.servers: + self.delete_user(server, 'qa') + + # Cleanup and umount volume + g.log.info("Starting to Unmount Volume and Cleanup Volume") + ret = self.unmount_volume_and_cleanup_volume(mounts=self.mounts) + if not ret: + raise ExecutionError("Failed to umount the vol & cleanup Volume") + g.log.info("Successful in umounting the volume and Cleanup") + + # Calling GlusterBaseClass teardown + GlusterBaseClass.tearDown.im_func(self) + + def test_metadata_self_heal(self): + """ + Test MetaData Self-Heal (heal command) + + Description: + - set the volume option + "metadata-self-heal": "off" + "entry-self-heal": "off" + "data-self-heal": "off" + - create IO + - set the volume option + "self-heal-daemon": "off" + - bring down all bricks processes from selected set + - Change the permissions, ownership and the group + of the files under "test_meta_data_self_heal" folder + - get arequal before getting bricks online + - bring bricks online + - set the volume option + "self-heal-daemon": "on" + - check daemons and start healing + - check is heal is completed + - check for split-brain + - get arequal after getting bricks online and compare with + arequal before getting bricks online + - check group and user are 'qa' + """ + # pylint: disable=too-many-locals,too-many-statements + # Setting options + g.log.info('Setting options...') + options = {"metadata-self-heal": "off", + "entry-self-heal": "off", + "data-self-heal": "off"} + ret = set_volume_options(self.mnode, self.volname, options) + self.assertTrue(ret, 'Failed to set options') + g.log.info("Options " + "'metadata-self-heal', " + "'entry-self-heal', " + "'data-self-heal', " + "are set to 'off' successfully") + + # Creating files on client side + all_mounts_procs = [] + test_meta_data_self_heal_folder = 'test_meta_data_self_heal' + g.log.info("Generating data for %s:%s", + self.mounts[0].client_system, self.mounts[0].mountpoint) + + # Create files + g.log.info('Creating files...') + command = ("cd %s/ ; " + "mkdir %s ;" + "cd %s/ ;" + "for i in `seq 1 50` ; " + "do dd if=/dev/urandom of=test.$i bs=10k count=1 ; " + "done ;" + % (self.mounts[0].mountpoint, + test_meta_data_self_heal_folder, + test_meta_data_self_heal_folder)) + + proc = g.run_async(self.mounts[0].client_system, command, + user=self.mounts[0].user) + all_mounts_procs.append(proc) + + # Validate IO + self.assertTrue( + validate_io_procs(all_mounts_procs, self.mounts), + "IO failed on some of the clients") + + # Setting options + g.log.info('Setting options...') + options = {"self-heal-daemon": "off"} + ret = set_volume_options(self.mnode, self.volname, options) + self.assertTrue(ret, 'Failed to set options') + g.log.info("Option 'self-heal-daemon' is set to 'off' successfully") + + # Select bricks to bring offline + bricks_to_bring_offline_dict = (select_bricks_to_bring_offline( + self.mnode, self.volname)) + bricks_to_bring_offline = filter(None, ( + bricks_to_bring_offline_dict['hot_tier_bricks'] + + bricks_to_bring_offline_dict['cold_tier_bricks'] + + bricks_to_bring_offline_dict['volume_bricks'])) + + # Bring brick offline + g.log.info('Bringing bricks %s offline...', bricks_to_bring_offline) + ret = bring_bricks_offline(self.volname, bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s offline' % + bricks_to_bring_offline) + + ret = are_bricks_offline(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Bricks %s are not offline' + % bricks_to_bring_offline) + g.log.info('Bringing bricks %s offline is successful', + bricks_to_bring_offline) + + # Changing the permissions, ownership and the group + # of the files under "test_meta_data_self_heal" folder + g.log.info("Modifying data for %s:%s", + self.mounts[0].client_system, self.mounts[0].mountpoint) + + # Change permissions to 444 + g.log.info('Changing permissions...') + command = ("cd %s/%s/ ; " + "chmod -R 444 *" + % (self.mounts[0].mountpoint, + test_meta_data_self_heal_folder)) + ret, out, err = g.run(self.mounts[0].client_system, command) + self.assertEqual(ret, 0, err) + g.log.info('Permissions are changed successfully') + + # Change the ownership to qa + g.log.info('Changing the ownership...') + command = ("cd %s/%s/ ; " + "chown -R qa *" + % (self.mounts[0].mountpoint, + test_meta_data_self_heal_folder)) + ret, out, err = g.run(self.mounts[0].client_system, command) + self.assertEqual(ret, 0, err) + g.log.info('Ownership is changed successfully') + + # Change the group to qa + g.log.info('Changing the group...') + command = ("cd %s/%s/ ; " + "chgrp -R qa *" + % (self.mounts[0].mountpoint, + test_meta_data_self_heal_folder)) + ret, out, err = g.run(self.mounts[0].client_system, command) + self.assertEqual(ret, 0, err) + g.log.info('Group is changed successfully') + + # Get arequal before getting bricks online + g.log.info('Getting arequal before getting bricks online...') + ret, result_before_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal before getting bricks online ' + 'is successful') + + # Bring brick online + g.log.info('Bringing bricks %s online...', bricks_to_bring_offline) + ret = bring_bricks_online(self.mnode, self.volname, + bricks_to_bring_offline) + self.assertTrue(ret, 'Failed to bring bricks %s online' % + bricks_to_bring_offline) + g.log.info('Bringing bricks %s online is successful', + bricks_to_bring_offline) + + # Setting options + g.log.info('Setting options...') + options = {"self-heal-daemon": "on"} + ret = set_volume_options(self.mnode, self.volname, options) + self.assertTrue(ret, 'Failed to set options') + g.log.info("Option 'self-heal-daemon' is set to 'on' successfully") + + # Wait for volume processes to be online + g.log.info("Wait for volume processes to be online") + ret = wait_for_volume_process_to_be_online(self.mnode, self.volname) + self.assertTrue(ret, ("Volume process %s not online " + "despite waiting for 5 minutes", self.volname)) + g.log.info("Successful in waiting for volume %s processes to be " + "online", self.volname) + + # Verify volume's all process are online + g.log.info("Verifying volume's all process are online") + ret = verify_all_process_of_volume_are_online(self.mnode, self.volname) + self.assertTrue(ret, ("Volume %s : All process are not online" + % self.volname)) + g.log.info("Volume %s : All process are online", self.volname) + + # Wait for self-heal-daemons to be online + g.log.info("Waiting for self-heal-daemons to be online") + ret = is_shd_daemonized(self.all_servers) + self.assertTrue(ret, "Either No self heal daemon process found") + g.log.info("All self-heal-daemons are online") + + # Start healing + ret = trigger_heal(self.mnode, self.volname) + self.assertTrue(ret, 'Heal is not started') + g.log.info('Healing is started') + + # Monitor heal completion + ret = monitor_heal_completion(self.mnode, self.volname) + self.assertTrue(ret, 'Heal has not yet completed') + + # Check if heal is completed + ret = is_heal_complete(self.mnode, self.volname) + self.assertTrue(ret, 'Heal is not complete') + g.log.info('Heal is completed successfully') + + # Check for split-brain + ret = is_volume_in_split_brain(self.mnode, self.volname) + self.assertFalse(ret, 'Volume is in split-brain state') + g.log.info('Volume is not in split-brain state') + + # Get arequal after getting bricks online + g.log.info('Getting arequal after getting bricks online...') + ret, result_after_online = collect_mounts_arequal(self.mounts) + self.assertTrue(ret, 'Failed to get arequal') + g.log.info('Getting arequal after getting bricks online ' + 'is successful') + + # Checking arequals before bringing bricks online + # and after bringing bricks online + self.assertItemsEqual(result_before_online, result_after_online, + 'Checksums are not equal') + g.log.info('Checksums before bringing bricks online ' + 'and after bringing bricks online are equal') + + # Adding servers and client in single dict to check permissions + nodes_to_check = {} + all_bricks = get_all_bricks(self.mnode, self.volname) + for brick in all_bricks: + node, brick_path = brick.split(':') + nodes_to_check[node] = brick_path + nodes_to_check[self.mounts[0].client_system] = \ + self.mounts[0].mountpoint + + # Checking for user and group + for node in nodes_to_check: + # Get file list + command = ("cd %s/%s/ ; " + "ls" + % (nodes_to_check[node], + test_meta_data_self_heal_folder)) + ret, out, err = g.run(node, command) + file_list = out.split() + + g.log.info('Checking for user and group on %s...', node) + conn = g.rpyc_get_connection(node) + if conn is None: + raise Exception("Unable to get connection on node %s" % node) + + for file_name in file_list: + file_to_check = '%s/%s/%s' % (nodes_to_check[node], + test_meta_data_self_heal_folder, + file_name) + + g.log.info('Checking for permissions, user and group for %s', + file_name) + # Check for permissions + permissions = oct( + conn.modules.os.stat(file_to_check).st_mode)[-3:] + self.assertEqual(permissions, '444', + 'Permissions %s is not equal to 444' + % permissions) + g.log.info("Permissions are '444' for %s", file_name) + + # Check for user + uid = conn.modules.os.stat(file_to_check).st_uid + username = conn.modules.pwd.getpwuid(uid).pw_name + self.assertEqual(username, 'qa', 'User %s is not equal qa' + % username) + g.log.info("User is 'qa' for %s", file_name) + + # Check for group + gid = conn.modules.os.stat(file_to_check).st_gid + groupname = conn.modules.grp.getgrgid(gid).gr_name + self.assertEqual(groupname, 'qa', 'Group %s is not equal qa' + % groupname) + g.log.info("Group is 'qa' for %s", file_name) + + g.rpyc_close_connection(host=node) |